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The Washington Nationals’ racing presidents are fond of taking on racing mascots from other teams, but Wednesday night at Nationals Park, they issued their first challenge on record targeting an opposing team’s broadcaster.

The broadcaster in question was Diamondbacks color analyst Mark Grace, who was covering the game for FOX Sports Arizona.

Grace is one of the four “legends” portrayed in the Diamondbacks Legends Race, which was introduced just over a year ago. In a blatant appropriation of the Nationals’ own shameful gimmick, Grace has yet to notch his first victory.

Last season, the Nationals mascots challenged the new Legends to visit Nationals Park. With the mascots a no-show, the presidents turned their attention to the press box, holding signs that said “Come Race Us Grace!”

Grace stood up in Nationals Park broadcast booth and waved his arms, saying “You want a piece of this, fellas?” With one game left in the series, an appearance on Thursday is not out of the question.